ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/ape/lib/openssl/apps/oid.cnf/
2.99999.1 SET.ex1 SET x509v3 extension 1 2.99999.2 SET.ex2 SET x509v3 extension 2 2.99999.3 SET.ex3 SET x509v3 extension 3 2.99999.4 SET.ex4 SET x509v3 extension 4 2.99999.5 SET.ex5 SET x509v3 extension 5 2.99999.6 SET.ex6 SET x509v3 extension 6